Detaches STREAMS-based file from the file to which it was attached.
#include <stropts.h> int fdetach(const char *path);
| path | Pathname of a file previous associated with a STREAMS-based object using the fattach subroutine. |
The fdetach subroutine detaches a STREAMS-based file from the file to which it was attached by a previous call to fattach subroutine. The path argument points to the pathname of the attached STREAMS file. The process must have appropriate privileges or be the owner of the file. A successful call to fdetach subroutine causes all pathnames that named the attached STREAMS file to again name the file to which the STREAMS file was attached. All subsequent operations on path will operate on the underlying file and not on the STREAMS file.
All open file descriptors established while the STREAMS file was attached to the file referenced by path will still refer to the STREAMS file after the fdetach subroutine has taken effect.
If there are no open file descriptors or other references to the STREAMS file, then a successful call to fdetach subroutine has the same effect as performing the last close subroutine on the attached file.
The umount command may be used to detach a file name if an | application exits before performing fdetach subroutine.
| 0 | Successful completion. |
| -1 | Not successful and errno set to one of the following. |
These subroutines are part of Base Operating System (BOS) Runtime.
The fattach subroutine, isastream subroutine.